package com.pphh.demo;


/**
 * Please add description here.
 *
 * @author huangyinhuang
 * @date 8/21/2018
 */
public class Demo {

    private static String CONSTANT = "Hello,world";

    public static void main(String[] args) {
        Demo demo = new Demo();
        demo.print(CONSTANT);

        int i = 0;
        String s = String.valueOf(i);
        demo.print(s);
    }

    private void print(String s) {
        System.out.println(s);
    }

}
